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As a coach during those 25 years, he's faced Brady and Manning and Elway and Marino and Favre. He's faced all of the great quarterbacks to play in the NFL in the last quarter-century.

And Dak Prescott is better than all of them at one thing.

"I've been around the NFL for a pretty long time now," Schwartz said on Tuesday afternoon. "I don't know if I've ever seen a better thrower on the run than Dak Prescott.

"He can throw scrambling to his left, he can throw scrambling to his right. There's not many quarterbacks who can do that. He can threaten the whole field on the run; he doesn't have to reset the throw. And he's very accurate on the run. There's a lot of mobile quarterbacks, there's a lot of guys who can throw from the pocket. He can do both of those. There's a lot of guys who can run read-option, he can do that.

"I think what really makes him stand out is he can throw on the run, he's accurate throwing on the run and for a young player, he makes very few mistakes."

Schwartz explained that what makes Prescott so good at throwing on the run is his ability to throw the ball without resetting his feet. Most right-handed quarterbacks who run to the left side of the field will plant their feet before delivering the pass. That gives defensive backs some extra time to catch up in coverage.

Not Prescott.

"He doesn't allow that because he can turn his upper body and throw away from his arm better than anybody I can recall," Schwartz said. "It's really just the timing and urgency; the ball can come out at any time. Some guys will scramble and you have time to chase a guy in coverage or to plaster your coverage or chase him and get an extra guy to him. With Prescott, he doesn't give you that opportunity. The ball can come out at any time and you have to be ready for it at any time."

While Carson Wentz was the second overall pick in the 2016 draft, Prescott went in the fourth round to the Cowboys. Sunday will be the third time the Eagles will face Prescott, who went to the Pro Bowl in his first NFL season.

The Eagles are obviously pretty happy with their selection of Wentz but Prescott was at least a possibility. On Tuesday, offensive coordinator Frank Reich said Prescott was one of about five quarterbacks the Eagles brought in for an interview during the 2016 pre-draft process.

He came away pretty impressed by Prescott.

"I had very, very high grades on Dak in every aspect," Reich said. "From his college tape, I thought his college tape was really, really good. I really liked the way he threw the ball with timing and anticipation. When he came in here and we interviewed him, hardcore interview as far as digging into protections and pass concepts and what his understanding of what the pass game was and protections, it was really high in all areas. And you could just tell he had that X-factor as far as natural leadership ability. I enjoyed getting to know him a little bit."